apollo fin strap posts

[laserdoc]

Just got my apollos from scuba toys. 2 day ship! Any way my question is are the fin posts on my old Mares avanti quatrro's the same as on the Apollos?? I really like the release buckle on my old Mares and if they will fit.....well I would like to swap them out

 

[Dectek]

You have both pairs of fins in your possession. Looks like you are now the best person to answer that question.